CN101915808A - Weld seam ultrasonic testing scanning device - Google Patents
Weld seam ultrasonic testing scanning device Download PDFInfo
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- CN101915808A CN101915808A CN2010102485032A CN201010248503A CN101915808A CN 101915808 A CN101915808 A CN 101915808A CN 2010102485032 A CN2010102485032 A CN 2010102485032A CN 201010248503 A CN201010248503 A CN 201010248503A CN 101915808 A CN101915808 A CN 101915808A
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Abstract
本发明公开了一种焊缝超声检测扫查装置，包括主框架、与主框架相连接的滚轮机构以及设在主框架上的扫查机构，所述扫查机构包括斜向扫查机构，所述斜向扫查机构具有相对待检焊缝呈斜向配置的斜向扫查臂。所述主框架呈矩形，所述主框架的四个边均设有导轨，所述斜向扫查机构包括两个斜向扫查支架、连接于所述两个斜向扫查支架之间的斜向导轨和设于所述斜向导轨上的两个所述斜向扫查臂，其中一个斜向扫查支架跨设在主框架相邻两边的两个导轨上，另一个斜向扫查支架跨设在另外两个相邻边的两个导轨上。本发明提供的焊缝超声检测扫查装置，能有效解决现有扫查装置对横向缺陷漏检的问题，扩大缺陷检出范围，实现焊缝全面扫查，减少安全隐患。
The invention discloses a welding seam ultrasonic detection scanning device, which comprises a main frame, a roller mechanism connected with the main frame and a scanning mechanism arranged on the main frame, the scanning mechanism includes an oblique scanning mechanism, the The oblique scanning mechanism has an oblique scanning arm disposed obliquely relative to the weld seam to be inspected. The main frame is rectangular, and guide rails are provided on the four sides of the main frame. The oblique scanning mechanism includes two oblique scanning brackets, and a bracket connected between the two oblique scanning brackets. The oblique guide rail and the two oblique scanning arms arranged on the oblique guide rail, one of the oblique scanning brackets straddles the two guide rails on the adjacent two sides of the main frame, and the other oblique scanning arm The support straddles the two guide rails on the other two adjacent sides. The welding seam ultrasonic testing and scanning device provided by the present invention can effectively solve the problem of missing detection of transverse defects by existing scanning devices, expand the detection range of defects, realize comprehensive scanning and inspection of weld seams, and reduce potential safety hazards.
Description
Technical field
The relevant ultrasonic inspecting and scanning device of welding line of the present invention, especially relevant a kind of ultrasonic inspecting and scanning device of welding line that utilizes diffraction time difference method ultrasonic detecting technology (Time Of Flight Diffraction is hereinafter to be referred as TOFD) to detect butt-weld.
Background technology
By China's current law standard and common practice, the butt-weld that forms for the welding back in the plant equipment manufacture process generally need be carried out the Ultrasonic Detection of some, to ensure product quality.
A kind of as in the supersonic detection method of TOFD technology can obtain the ultrasonic image of weld seam inner structure in real time, has very high defective recall rate, reliability and measuring accuracy.The TOFD technology must adopt the scanning equipment of a definite form to fix and clamping probe, makes probe along the weld seam walking of surface of the work and keep probe and surface of the work relative distance to fix, and could realize effective detection of butt welded seam.
Domestic and international existing TOFD scanning equipment mainly is made up of scanning frame, idler wheel mechanism, scanning arm and code device at present.The scanning frame is rectangular, comprises two scanning arm moving guide rails of two opposite side being located in rectangle four limits.Idler wheel mechanism is fixedly connected on the bottom of scanning frame.Two pairs of scanning arms are installed in respectively on two scanning arm moving guide rails.Scrambler is installed in the outside of scanning frame.Based on the structure of this existing TOFD scanning equipment, use through scene for many years and verify that there is following desirable not to the utmost part in this scanning equipment:
One, this existing scanning equipment only is provided with the horizontal scanning arm vertical with weld seam, and according to Principles of Acoustics, only the longitudinal defect in weld seam has under the situation of big reflecting surface, and recall rate is just higher relatively; And for moving towards vertical transverse defect with weld seam, because the acoustic reflection face is little, so recall rate is extremely low.And in industries such as China's oil, chemical industry, shipbuilding, electric power, more and more high-strength steel materials that use, the generation of its transverse defect sees that often existing scanning equipment can cause the omission of transverse defect, thus the potential safety hazard of burying.
Two, the roller of scanning frame and idler wheel mechanism is rigidly connected, steering mechanism is not set, and therefore existing scanning equipment generally only is suitable for the weld seam detection of straight workpiece, for curve surface work pieces, scanning equipment can depart from weld seam gradually when surface of the work is walked, be difficult to guarantee to detect quality.For example a large amount of spherical tanks of China's petrochemical industry existence at present when adopting existing scanning equipment to detect weld seam, for above-mentioned reasons, need often be corrected the direct of travel of scanning equipment, thereby cause detected image local deformation in the scanning process, cause erroneous judgement.
Three, this existing scanning equipment does not have to be provided with probe (being creeping wave probe) and the anchor clamps that detect at the weld seam near surface flaw.By the limitation of TOFD technology itself, for the weld defect of the degree of depth within the following 6～10mm in surface (the concrete degree of depth is different and different according to the TOFD probe parameter), may cause omission because of being hidden in to lead directly to be fallen into oblivion among the ripple.
Summary of the invention
Technical matters to be solved by this invention provides a kind of ultrasonic inspecting and scanning device of welding line, can effectively solve the problem of existing scanning equipment to the transverse defect omission, enlarges defective and detects scope, realizes the comprehensive scanning of weld seam, reduces potential safety hazard.
Another technical matters to be solved by this invention provides a kind of ultrasonic inspecting and scanning device of welding line, can detected workpiece particularly curve surface work pieces the surface firmly, walking smoothly, improve to detect quality.
Another technical matters to be solved by this invention provides a kind of ultrasonic inspecting and scanning device of welding line, utilize simultaneously and climb ripple ultrasonic detecting technology and diffraction time difference method ultrasonic detecting technology, raising can realize the comprehensive scanning of weld seam to the recall rate of nearly surface weld defective in a scanning.
A kind of ultrasonic inspecting and scanning device of welding line provided by the invention, comprise main frame, the idler wheel mechanism that is connected with main frame and be located at scanning and searching mechanism on the main frame, described scanning and searching mechanism comprises oblique scan mechanism, and described oblique scan mechanism has the oblique scan arm that weld seam to be checked relatively is oblique configuration.
In an embodiment of the invention, described main frame is rectangular, four limits of described main frame are equipped with guide rail, described oblique scan mechanism comprises two oblique scan supports, be connected in the oblique guide rail between described two oblique scan supports and be located at two described oblique scan arms on the described oblique guide rail, one of them oblique scan support is crossed on two guide rails on the adjacent both sides of main frame, and another oblique scan support is crossed on two guide rails of two other adjacent edge.
In an embodiment of the invention, the two ends of described each oblique scan support have the connecting portion on the adjacent both sides guide rail be located at main frame that slides respectively and are located at curved portions between described two connecting portions, described curved portions is provided with the chute that extends along curved portions, the side of described curved portions is provided with angle index, the two ends of described oblique guide rail hold down assembly by one respectively and are located at slidably on the curved portions of two oblique scan supports, and described holding down assembly comprises the oblique guide rail contiguous block that is connected between curved portions and the oblique guide rail, run through described oblique guide rail contiguous block and curved portions chute lock shaft and be bolted in the lock handle of lock shaft.
In an embodiment of the invention, described scanning and searching mechanism also comprises a pair of horizontal scanning arm and a pair of ripple scanning arm of climbing, described a pair of horizontal scanning arm and a pair of ripple scanning arm of climbing are located at respectively on the guide rail of two opposite side of main frame, this to the oblique scan arm, this to horizontal scanning arm, this is respectively equipped with a pair of probe to climbing on ripple scanning arm.
In an embodiment of the invention, described two guide rails that horizontal scanning arm are set and climb the main frame of ripple scanning arm are hinged by two sections sub-portions of guide rail respectively and constitute, and the oblique guide rail of described oblique scan mechanism is hinged by two sections sub-portions of oblique guide rail and constitutes.
In an embodiment of the invention, described idler wheel mechanism is four, be located at four corners of main frame respectively, each idler wheel mechanism comprises the guide rail terminal pad, the magnet pulley support that are connected with the end of two guide rails of main frame adjacent edge, is located at magnet pulley and locking knob on the magnet pulley support, described magnet pulley support is provided with coupling shaft, and described magnet pulley support pivots with described guide rail terminal pad by described coupling shaft and is connected.
In an embodiment of the invention, the below of described guide rail terminal pad is connected with top rotary table, is connected with lower rotary table above described magnet pulley support, is slidingly matched between described top rotary table and the described lower rotary table.
In an embodiment of the invention, the bottom of described guide rail terminal pad is provided with several flat-bottom holes, compression spring and register pin are set respectively in each flat-bottom hole, described top rotary table is provided with the corresponding location counterbore of flat-bottom hole that coils with guide rail company, the step of described location counterbore cooperates with the step of described register pin, described lower rotary table is provided with the positioning through hole that the flat-bottom hole that even coils with guide rail differs predetermined angular, when a register pin stretched in the positioning through hole of lower rotary table, described top rotary table and lower rotary table were in a corner gear.
In an embodiment of the invention, described guide rail terminal pad has the ear that is connected with two guide rails; Described magnet pulley support comprise wheel carrier master web joint and with wheel carrier master web joint two wheel carrier side connecting plates connected vertically with distance, described lower rotary table is fixed on the described wheel carrier master web joint, described coupling shaft is connected with described wheel carrier master web joint by flat key, described coupling shaft pass described wheel carrier master web joint, lower rotary table, top rotary table and guide rail terminal pad and with the locking knob bolt.
In aforementioned each embodiment of the present invention, also comprise code device, prime amplifier mechanism, cable suspension ring mechanism and handle on the guide rail that is located at main frame; Wherein said code device comprises scrambler web joint that is connected with the main frame guide rail and the L shaped contiguous block that is connected with described scrambler web joint dismounting, on described scrambler web joint and L shaped contiguous block the corresponding codes device can be installed respectively; Described prime amplifier mechanism comprises the L bracket that is connected with the main frame guide rail, two bases that match with described L bracket separately respectively, is combined with the prime amplifier and the harness element of correspondence on two bases respectively.
According to such scheme, the present invention is significant with respect to the effect of existing structure:
One, ultrasonic inspecting and scanning device of welding line of the present invention is provided with oblique scan mechanism, can significantly improve the recall rate of moving towards vertical transverse defect with weld seam, reduce the omission problem of transverse defect, enlarge defective and detect scope, can realize comprehensive scanning of butt welded seam, reduce potential safety hazard.
Two, is connected for pivoting between the idler wheel mechanism of the present invention, magnet pulley support and guide rail terminal pad, rotates the angle that the magnet pulley support can change magnet pulley, therefore detected workpiece particularly on the curve surface work pieces walking stable, smooth and easy more, improve the detection quality.
Three, ultrasonic inspecting and scanning device of welding line of the present invention is provided with at what the weld seam near surface flaw detected and climbs the ripple scanning arm, therefore can creeping wave probe be installed climbing on the ripple scanning arm, improve the recall rate of near surface flaw, can in a scanning process, realize comprehensive scanning of butt welded seam.
Description of drawings
Fig. 1 is the stereographic map of ultrasonic inspecting and scanning device of welding line of the present invention.
Fig. 2 is the stereographic map of main frame of the present invention.
Fig. 3 is the front view of scanning arm of the present invention.
Fig. 4 is the A-A sectional view of scanning arm of the present invention.
Fig. 5 is the stereographic map of oblique scan of the present invention mechanism.
Fig. 6 is the partial sectional view of oblique scan of the present invention mechanism.
Fig. 7 is the cut-open view of idler wheel mechanism of the present invention.
Fig. 8 is another cut-open view of idler wheel mechanism of the present invention.
Fig. 9 is the front view of the guide rail terminal pad of idler wheel mechanism of the present invention.
Figure 10 is the front view of the lower rotary table of idler wheel mechanism of the present invention.
Figure 11 is the stereographic map of the A combination of code device of the present invention.
Figure 12 is the stereographic map of the B combination of code device of the present invention.
Figure 13 is the stereographic map of the A combination of prime amplifier of the present invention mechanism.
Figure 14 is the stereographic map of the B combination of prime amplifier of the present invention mechanism.
Figure 15 is the stereographic map of cable suspension ring of the present invention.
Embodiment
As shown in Figure 1, the invention provides a kind of ultrasonic inspecting and scanning device of welding line, comprise: main frame 1, be located at the scanning and searching mechanism 2 on the main frame 1, the idler wheel mechanism 3 that is connected with main frame 1, code device 5, prime amplifier mechanism 6, cable suspension ring 7 etc., improvements of the present invention are: scanning and searching mechanism 2 is except comprising existing horizontal scanning arm 8, also comprise oblique scan mechanism 9, this oblique scan mechanism 9 has the oblique scan arm 91 that weld seam to be checked relatively is oblique configuration, thereby, can effectively reduce the omission of transverse defect carrying out oblique scan along the probe butt welded seam that loads by oblique scan mechanism 9 in the process of fusion length direction fast checking by horizontal scanning arm 8.Introduce each ingredient below in detail.
(1) main frame 1
As shown in Figure 1, 2, main frame 1 is rectangular, and four limits of rectangle are guide rail 11,12,13,14, and four rolling mechanism 3 is connected in by screw between the adjacent rails end in four corners of main frame 1.Four guide rails are strengthened contiguous block 15 by screw and the fixing bulk strength with raising main frame 1 of adjacent rails.Two handles 16 are fixedlyed connected with guide rail 12,14 by screw, so that grip.
The guide rail 11 of horizontal scanning arm and opposite side guide rail 13 in parallel wherein are set are hinged by two sub-portions 111,131 of guide rail respectively and form, the existing articulated structure of introducing guide rail 11 in detail, the articulated structure of guide rail 13 is identical, no longer repeats.The sub-portion 111 of two guide rails of guide rail 11 fixedlys connected with guide rail contiguous block 112,113 by screw respectively, two guide rail contiguous blocks 112,113 are provided with hinge eyes 114,115, the end that jointed shaft 116 is positioned at main frame 1 inside is provided with the stop section of expansion and avoids getting loose, the other end is provided with thread segment, pass from inside to outside at jointed shaft 116 after the hinge eyes 114,115 of hinged axle sleeve and two guide rail contiguous blocks 112,113 again with a locking knob 117 by the realization locking function that is threaded.This whole guide rail 11 is to make scanning equipment can adapt to the surface of the work of different curvature, the measured workpiece surface of better fitting by the be hinged benefit that forms of two sub-portions 111 of guide rail.For alleviating the quality of whole scanning equipment, do not influence the rolling of idler wheel mechanism 3, all parts of main frame 1 all adopt aluminum alloy materials to make.
(2) scanning and searching mechanism 2
As shown in Figure 1, scanning and searching mechanism 2 comprises a pair of horizontal scanning arm 8 among the present invention, a pair of ripple scanning arm 8 ' and the aforementioned oblique scan mechanism 9 of climbing, aforementioned oblique scan mechanism 9 comprises a pair of oblique scan arm 91, wherein this horizontal scanning arm 8 is located at the outside of the guide rail 11 of main frame 1, should be to climbing on the parallel subtend guide rail 13 of ripple scanning arm 8 ' be located at and guide rail 11, in testing process this scanning equipment at this to oblique scan arm 91, should be to horizontal scanning arm 8, should to climb ripple scanning arm 8 ' on load three pairs of probes respectively, utilize the TOFD detection technique and carry out the butt-weld detection in conjunction with climbing the ripple detection technique, can in a scanning process, realize the transverse defect vertical with weld seam, comprehensive scanning of longitudinal defect and near surface flaw, the recall rate height of various defectives.
Shown in Fig. 3,4, laterally scanning arm 8 mainly is made up of with screw axis 89 the first scanning arm contiguous block 81, the second scanning arm contiguous block 82, the 3rd scanning arm contiguous block 83, line slideway 84, line slideway slide block 85, voussoir holding frame 86, spring link 87, spring compression knob 871, extension spring 872, rolling bearing 88.The first scanning arm contiguous block 81 is connected by screw and line slideway slide block 85.Spring link 87 two ends all are processed with screw thread, and an end is connected with the second scanning arm contiguous block 82, and the other end is connected with spring compression knob 871, is used for fixing an end of extension spring 872.The other end of extension spring 872 by screw retention on line slideway slide block 85.The second scanning arm contiguous block 82 and the 3rd scanning arm contiguous block 83 are respectively by the two ends of screw retention at line slideway 84.Line slideway 84 and line slideway slide block 85 are slidingly matched.Two described rolling bearings 88 are installed in the 3rd scanning arm contiguous block 83 belows, and screw axis is passed rolling bearing 88 and voussoir holding frame 86 and is connected by screw thread.The probe voussoir that is loaded with probe is fixed on the voussoir holding frame 86.This horizontal scanning arm 8 is except that line slideway 84, line slideway slide block 85, and other component parts all adopt aluminum alloy materials to make, with weight reduction.
Shown in Fig. 1,5,6, now introduce oblique scan mechanism 9 in detail, it comprises two oblique scan supports 90, is connected in the oblique guide rail 92 between two oblique scan supports 90, one of them oblique scan support 90 is crossed on two guide rails 11,12 on main frame 1 adjacent both sides, another oblique scan support 90 is crossed on two guide rails 13,14 of two other adjacent edge, and two oblique scan arms 91 are arranged on the oblique guide rail 92.
The two ends of each oblique scan support 90 have the connecting portion 901 on the adjacent both sides guide rail of being located at main frame 1 that slides respectively and are located at two curved portions 902 between the connecting portion 901, connecting portion 901 is by the guide rail 11 of screw and main frame 1,12 (or guide rails 13,14) be connected, curved portions 902 is provided with the chute 903 that extends along curved portions, the side of curved portions 902 is provided with angle index 904, the two ends of oblique guide rail 92 hold down assembly by one respectively and 93 are located at slidably on the curved portions 902 of two oblique scan supports 90, hold down assembly and 93 comprise the oblique guide rail contiguous block 931 that is connected between curved portions 902 and the oblique guide rail 92, run through oblique guide rail contiguous block 931 and curved portions 902 chute 903 lock shaft 932 and be bolted in the lock handle 933 of lock shaft 932, oblique guide rail contiguous block 931 has up and down two intermediate plates 9311, and two intermediate plates 9311 are clamped in the above and below of oblique guide rail 92 and are connected by screw up and down.Be clearance fit between the curved portions 902 of lock shaft 932 and oblique scan support 90, when unclamping lock handle 933, oblique guide rail 92 can be that 0～45 ° rotation is carried out in the center of circle with the center of main frame 1, can come the scanning weld seam being non-perpendicular oblique configuration direction with weld seam to be checked, can effectively propose the recall rate of transverse defect, realize comprehensive scanning of butt welded seam.
(3) idler wheel mechanism 3
As Fig. 7,8, shown in 9, idler wheel mechanism 3 of the present invention is a kind of magnet pulley mechanisms that turn to, described idler wheel mechanism comprises four, be located at four corners of main frame 1 respectively, each idler wheel mechanism 3 comprises the guide rail terminal pad 31 that is connected with the end of two guide rails of main frame 1 adjacent edge, magnet pulley support 32, magnet pulley 33 and locking knob 34, guide rail terminal pad 31 has the ear 311 that is connected with the end of two guide rails of main frame adjacent edge, magnet pulley support 32 is provided with coupling shaft 321, and magnet pulley support 32 pivots with guide rail terminal pad 31 by coupling shaft 321 and is connected.
Below guide rail terminal pad 31, be connected with top rotary table 35 by screw 30, above magnet pulley support 32, be connected with lower rotary table 36 by screw 30, be slidingly matched between top rotary table 35 and the lower rotary table 36, thereby making magnet pulley support 32 can be that axis is rotated with coupling shaft 321 with respect to guide rail terminal pad 31, thereby scanner is better walked on workpiece by rotating magnet pulley support 32, can solve for curve surface work pieces, when walking from the teeth outwards, existing scanning equipment can depart from weld seam gradually, cause detected image local deformation, cause the problem of erroneous judgement.
Further magnet pulley support 32 has different corner gears.Concrete structure is: be provided with several for example five flat-bottom holes 312 in the bottom of guide rail terminal pad 31, what be slidingly matched respectively in each flat-bottom hole 312 is provided with compression spring 313 and register pin 314, be provided with on the top rotary table 35 and five corresponding location counterbores 351 of flat-bottom hole 312 on the guide rail terminal pad 31, the step of the location counterbore 351 on the top rotary table 35 cooperates with step on the register pin 314, thereby register pin 314 is limited within the impulse stroke.As shown in figure 10, be processed with on the following rotation angle disk 36 with guide rail terminal pad 31 on flat-bottom hole 312 differ 0 °, ± 5 °, ± five through holes 361 of 10 °.When a register pin 314 stretched in the positioning through hole 361 of lower rotary table 36, top rotary table 35 and lower rotary table 36 were in a corner gear.Can make five register pins 314 within above-mentioned five grades of angles, can only have one to enter in the through hole corresponding on the lower rotary table 36 361 in this way, realize that the magnet pulley angle is by gear change with it.Figure 8 shows that register pin 314 0 ° of position enters the situation in the corresponding with it through hole 361 of lower rotary table 36.Unclamp locking knob 34, make the lower surface of top rotary table 35 and the upper surface of following corner 36 be separated to degree of rotation mutually, when register pin 314 arrive corresponding with it be positioned on the lower rotary table 36 ± 5 ° or ± during through hole on 10 ° of gears, under the effect of compression spring 313, register pin 314 can enter in the lower rotary table 36 corresponding through holes 361, realizes that the magnet pulley angle is by gear change.
For make assembling be not subjected to the magnet pulley sheet influence, alleviate the equipment quality and improve intensity, except that top rotary table 35, lower rotary table 36, coupling shaft 321 and register pin 314 adopt stainless steel materials make, miscellaneous part all adopts aluminum alloy materials to make.
(4) code device 5
Shown in Figure 11,12, L shaped contiguous block 52 and corresponding codes device that code device 5 mainly removably connects by scrambler web joint 51, with scrambler web joint 51 constitute, the guide rail 14 of scrambler web joint 51 and main frame 1 is connected by screw, is respectively equipped with the scrambler installation position on scrambler web joint 51 and L shaped contiguous block 52.Can load two kinds of different scramblers by different combinations like this.When using A type scrambler 53, make scrambler 53 be connected on the installation position of scrambler web joint 51 by screw; When using Type B scrambler 54, L shaped contiguous block 52 is screwed on scrambler web joint 51, again Type B scrambler 54 is fixed on the L shaped contiguous block 52.For alleviating equipment quality, scrambler web joint 51 adopts aluminum alloy materials to make with L shaped contiguous block 52.
(5) prime amplifier mechanism 6
Shown in Figure 13,14, prime amplifier mechanism 6 can load two kinds of different prime amplifiers by different combinations.Prime amplifier mechanism 6 mainly by prime amplifier support 61, A type prime amplifier base 62, A type harness element 63 for example plastic hook magic tape, A type prime amplifier 64, Type B prime amplifier base 65, Type B harness element 66 for example plastic hook magic tape, Type B prime amplifier 67 are formed.Prime amplifier support 61 is L shaped, and the guide rail 13 or 11 by screw and main frame 1 is connected.A type prime amplifier base 62, Type B prime amplifier base 65 also all are connected by the guide rail 11 or 13 of screw and main frame 1.A type prime amplifier 64 is installed on the A type prime amplifier base 62, by the plastic hook magic tape the two is tied up to be one.Type B prime amplifier 67 (installing two simultaneously) is installed on the Type B prime amplifier base 65, by the plastic hook magic tape two Type B prime amplifiers and Type B prime amplifier base 65 is tied up to be one.The bottom surface of A type prime amplifier base 62, Type B prime amplifier base 65 all is processed with cross bath, this cross bath matches with prime amplifier support 61, thereby can realize the auxiliary positioning and the support function of 61 pairs of A types of prime amplifier support prime amplifier base 62, Type B prime amplifier base 65.
For alleviating equipment quality, prime amplifier support 61 adopts aluminum alloy materials to make, and A type prime amplifier base 62, Type B prime amplifier base 65 adopt engineering plastics to make.
(6) the cable suspension ring 7
As shown in figure 15, cable suspension ring 7 are made up of suspension ring web joint 71 and the suspension ring main body of being located on the suspension ring web joint 71 72.Suspension ring web joint 71 is connected by the guide rail 12 of screw and main frame 1, and suspension ring main body 72 and suspension ring web joint 71 are by being threaded.Connect the cable form of probe and main frame in the middle of some cables, penetrating steel cable at some; this rope capacity is less than the length of cable; the wire rope head is fixed with a hook; hook hung over to make wire rope bear whole pulling force on the suspension ring main body 72, thereby play the effect of protection cable.Suspension ring web joint 71 adopts aluminum alloy materials to make, with weight reduction.
The above; it only is the specific embodiment of the present invention; certainly can not limit scope of the invention process with this; all equivalent variations and modifications of doing according to content of the present invention; the scanning arm that is oblique configuration with weld seam to be checked promptly is set on scanning equipment; so that the probe phase butt welded seam of its loading tiltedly disposes, all should belong to protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102485032A CN101915808B (en) | 2010-07-22 | 2010-08-05 | Ultrasonic inspecting and scanning device of welding line |
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| CN201010237285.2 | 2010-07-22 | ||
| CN201010237285 | 2010-07-22 | ||
| CN2010102485032A CN101915808B (en) | 2010-07-22 | 2010-08-05 | Ultrasonic inspecting and scanning device of welding line |
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| CN101915808A true CN101915808A (en) | 2010-12-15 |
| CN101915808B CN101915808B (en) | 2012-06-27 |
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| CN102384943A (en) * | 2011-08-10 | 2012-03-21 | 国核电站运行服务技术有限公司 | Time-of-flight diffraction ultrasonic scanning bracket |
| CN103293228A (en) * | 2013-03-04 | 2013-09-11 | 江苏省特种设备安全监督检验研究院镇江分院 | Adjustable weld seam flaw detection guided wave probe fixator |
| CN104297341A (en) * | 2014-10-15 | 2015-01-21 | 天津大学 | Scanning device applied to ultrasonic detection of pipeline-flange angle welding seams |
| CN104597134A (en) * | 2015-01-08 | 2015-05-06 | 中国东方电气集团有限公司 | Phased-array ultrasonic nondestructive detection fixture of welding rotor |
| CN104597135A (en) * | 2015-01-08 | 2015-05-06 | 中国东方电气集团有限公司 | TOFD ultrasonic non-destructive testing self-positioning fixture of welded rotor |
| CN104864272A (en) * | 2015-04-18 | 2015-08-26 | 中国矿业大学 | Automatic scanning device for oil and gas pipeline phased array ultrasonic testing |
| CN105092713A (en) * | 2015-08-12 | 2015-11-25 | 刘伟平 | Ultrasonic time of flight diffraction detection guide rail |
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| RU2751149C1 (en) * | 2020-12-02 | 2021-07-08 | Акционерное общество "ОДК-Пермские моторы" | Device for quality control of longitudinal welds of gear wheels |
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